Specification of Constant Jouffroy Duméry
Subtitle: smoke-preventing apparatus
Publisher: Great Seal Patent Office; George E. Eyre and William Spottiswoode)
Published: 1858
Place of publication: London
Language: eng
Number of pages: 15
Subjects: Smoke prevention; Furnaces
Notes: Cover title.

At head of title: A.D. 1858. No. 2335.

"Constant Jouffroy Duméry, of Paris... civil engineer".